package org.windblog.core.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.appengine.api.users.*;

public class AdminValidateFilter implements Filter {

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse resp,
			FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		UserService userService = UserServiceFactory.getUserService();
		User user = userService.getCurrentUser();
		if (user != null && userService.isUserAdmin()) {
			chain.doFilter(req, resp);
		} else {
			((HttpServletResponse) resp)
					.sendRedirect(userService
							.createLoginURL(((HttpServletRequest) req)
									.getRequestURI()));
		}
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}
